CN100508261C - Method for regenerating anode material of waste alkaline zinc-manganese dioxide battery - Google Patents
Method for regenerating anode material of waste alkaline zinc-manganese dioxide battery Download PDFInfo
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- CN100508261C CN100508261C CNB2007100266471A CN200710026647A CN100508261C CN 100508261 C CN100508261 C CN 100508261C CN B2007100266471 A CNB2007100266471 A CN B2007100266471A CN 200710026647 A CN200710026647 A CN 200710026647A CN 100508261 C CN100508261 C CN 100508261C
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- anode material
- battery
- waste alkaline
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- manganese dioxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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- Battery Electrode And Active Subsutance (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a method for regenerating a waste alkaline zinc-manganese dioxide battery anode material, which comprises the following process steps: (1) separating and extracting the anode material of the waste alkaline manganese battery; (2) Crushing the anode material taken out in the step (1) to ensure that the granularity of the anode material is in the range of 0.6-1.2 mm; (3) Heating the crushed positive electrode material in the step (2) under the condition of introducing air; turning over the anode material during heating; (4) And (4) naturally cooling the cathode material treated in the step (3). The method has simple process, convenient operation and low production cost, and the performance of the AA battery assembled by the regenerated anode material reaches the national standard; in the whole regeneration process, other chemical substances are not added, only oxygen in the air is used as an oxidant, secondary pollution is hardly generated, all the anode materials of the waste alkaline manganese batteries can be regenerated and utilized, the value created by the produced new materials is far higher than the recovery and production cost, and the economic benefit is good.
Description
Technical Field
The invention relates to a waste battery regeneration technology, in particular to a method for regenerating a waste alkaline zinc-manganese dioxide battery anode material.
Background
China is a big country for producing and consuming alkaline zinc-manganese batteries. Due to the characteristics of low self-discharge rate, high capacity and high power of the alkaline zinc-manganese battery, and further due to the fact that after the nation sets the policy of low mercury and mercury-free battery production, the alkaline zinc-manganese battery produced in China has reached complete mercury-free from 1 month and 1 day in 2005, and the production and consumption of the alkaline zinc-manganese battery occupy the leading position of primary batteries. The mass production and the use of the alkaline zinc-manganese battery bring a plurality of problems to the society. Wherein environmental pollution and mineral resource over-development are the most serious threats to the sustainable development of the society. The recovery and regeneration of alkaline zinc-manganese batteries are significant and urgent. The recovery of waste batteries has been extensively studied, and the proposed method is mainly to completely crush the waste batteries, subject to the processes of calcination, acid leaching and the like, and then recover metals or compounds and the like from the leachate. Obviously, the method has complex process and high cost, the recycling and regenerating cost even exceeds the production cost of the battery, and secondary pollution exists in the recycling process.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the method for regenerating the anode material of the waste alkaline zinc-manganese dioxide battery, which has the advantages of simple process, convenient operation, low cost and less secondary pollution.
The purpose of the invention is realized by the following technical scheme: a method for regenerating the anode material of waste alkaline Zn-Mn battery includes such steps as
(1) Separating and extracting the anode material of the waste alkaline manganese battery;
(2) Crushing the anode material taken out in the step (1) to ensure that the granularity of the anode material is in the range of 0.6-1.2 mm;
(3) Heating the crushed positive electrode material in the step (2) under the condition of introducing air; turning over the anode material during heating;
(4) And (4) naturally cooling the cathode material treated in the step (3).
And (2) splitting the battery shell mechanically in the step (1), and taking out the anode material (mainly comprising manganese dioxide, manganese oxide, graphite and the like).
And (3) putting the positive electrode material into a pulverizer to be pulverized in the step (2).
The heating temperature in the step (3) is 180-480 ℃, and the heating time is 10-50 hours.
In the step (3), the anode material is turned over every 1 to 3 hours during the heating.
Compared with the prior art, the invention has the following advantages and effects: the method has the advantages of simple process, convenient operation and low production cost. The performance of the AA battery assembled by the regenerated anode material reaches the national standard. In the whole regeneration process, other chemical substances are not added, only oxygen in the air is used as an oxidant, secondary pollution is hardly generated, all the anode materials of the waste alkaline manganese batteries can be regenerated and utilized, the value created by the produced new materials is far higher than the recovery and production cost, the economic benefit is good, the problems of environmental pollution and excessive development of mineral resources of the waste alkaline manganese batteries can be solved, and the sustainable development of the society is facilitated.
Detailed Description
The present invention is further specifically described below by way of examples, but the embodiments of the present invention are not limited thereto.
| Step (ii) of | Example 1 | Example 2 | Example 3 |
| (1) Separation and extraction of waste alkaline manganese Battery positive electrode material | First of all, dissecting by mechanical means Battery case with positive electrode material And (4) quality. | First of all, dissecting by mechanical means Battery case with positive electrode And (4) quality. | First of all, dissecting by mechanical means Battery case with positive electrode material And (4) quality. |
| (2) Pulverizing | Taking out the product of step (1) The pole material being placed in a crusher Pulverizing to obtain powder with particle size of 0.6-0.8 mm. | Taking out the product of step (1) The pole material being placed in a crusher Pulverizing to obtain powder with particle size of 0.8-1.0 mm. | Taking out the product of step (1) The pole material being placed in a crusher Pulverizing to obtain powder with particle size of 1.0-1.2 mm. |
| (3) Heating oxidation | Pulverizing the powder obtained in step (2) The positive electrode material has air storage Under the conditions of (B) at 180 DEG C The mixture was heated for 50 hours. Period of time Every 3 hours for positive electrode material Turning over. | Pulverizing the powder obtained in step (2) The positive electrode material has air storage Under the conditions of (C) at 300 DEG C The mixture was heated for 30 hours. Period of time Every 2 hours for positive electrode material Turning over. | Pulverizing the powder obtained in step (2) The positive electrode material has air storage Under the conditions of (B) at 480 DEG C The mixture was heated for 10 hours. Period of time Every 1 hour for positive electrode material Turning over. |
| (4) Natural cooling | Is treated in step (3) The pole material is naturally cooled Used as positive electrode of alkali-manganese cell A pole material. | Is treated in step (3) The pole material is naturally cooled And then used as the positive electrode of the alkaline manganese battery A pole material. | Is treated in step (3) The pole material is naturally cooled Used as positive electrode of alkali-manganese cell A pole material. |
| Effect AA Battery performance: the national standard is as follows: open circuit voltage: 1.5-1.65V And (3) 10 omega spacing: not less than 12h 3.9 Ω spacing: not less than 4.0h 1.8 Ω pulse: not less than 320 times 43 omega interval: not less than 60h | AA battery performance: open circuit voltage: 1.60V And (3) 10 omega spacing: 12.3h 3.9 Ω interval: 4.97h 1.8 Ω pulse: 404 times And 43 omega are spaced: 61.5h | AA battery performance: open circuit voltage: 1.60V And (3) 10 omega spacing: 13.2h 3.9 Ω interval: 5.34h 1.8 Ω pulse: 434 times 43 omega interval: 63.6h | AA battery performance: open circuit voltage: 1.60V And (3) 10 omega spacing: 13.9h 3.9 Ω interval: 5.63h 1.8 Ω pulse: 457 times 43 omega interval: 67.1h |
As described above, the present invention can be preferably realized.
Claims (4)
1. A method for regenerating a waste alkaline zinc-manganese dioxide battery anode material is characterized by comprising the following process steps:
(1) Separating and extracting the anode material of the waste alkaline manganese battery;
(2) Crushing the anode material taken out in the step (1) to ensure that the granularity of the anode material is in the range of 0.6-1.2 mm;
(3) Heating the crushed positive electrode material in the step (2) under the condition of introducing air; turning over the anode material during heating; the heating temperature range is 180-480 ℃, and the heating time is 10-50 hours;
(4) And (4) naturally cooling the cathode material treated in the step (3).
2. The method for regenerating the anode material of the waste alkaline zinc-manganese dioxide battery as claimed in claim 1, wherein the method comprises the following steps: and (2) mechanically splitting the battery shell in the step (1) and taking out the positive electrode material.
3. The method for regenerating the anode material of the waste alkaline zinc-manganese dioxide battery as claimed in claim 1, wherein the method comprises the following steps: and (3) putting the positive electrode material into a grinder to be ground in the step (2).
4. The method for regenerating the anode material of the waste alkaline zinc-manganese dioxide battery as claimed in claim 1, wherein the method comprises the following steps: in the step (3), the anode material is turned over every 1 to 3 hours during the heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100266471A CN100508261C (en) | 2007-01-30 | 2007-01-30 | Method for regenerating anode material of waste alkaline zinc-manganese dioxide battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100266471A CN100508261C (en) | 2007-01-30 | 2007-01-30 | Method for regenerating anode material of waste alkaline zinc-manganese dioxide battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101013754A CN101013754A (en) | 2007-08-08 |
| CN100508261C true CN100508261C (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100266471A Expired - Fee Related CN100508261C (en) | 2007-01-30 | 2007-01-30 | Method for regenerating anode material of waste alkaline zinc-manganese dioxide battery |
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| CN (1) | CN100508261C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441315B (en) * | 2013-09-05 | 2015-05-20 | 北京理工大学 | Method for preparing manganese-zinc ferrite soft magnet by taking biological leachate of waste zinc-manganese battery as raw material |
| US8882007B1 (en) * | 2013-11-21 | 2014-11-11 | Retriev Technologies Incorporated | Process for recovering and regenerating lithium cathode material from lithium-ion batteries |
| CN105470492B (en) * | 2015-11-25 | 2019-06-18 | 南方科技大学 | Recycling method of waste alkaline manganese battery positive electrode material, trimanganese tetroxide composite slurry and application thereof |
| CN111969224A (en) * | 2020-08-28 | 2020-11-20 | 河南师范大学 | Method for recycling waste alkaline zinc-manganese primary battery material |
| CN111969225A (en) * | 2020-08-28 | 2020-11-20 | 河南师范大学 | Method for recycling waste acidic zinc-manganese primary battery material |
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2007
- 2007-01-30 CN CNB2007100266471A patent/CN100508261C/en not_active Expired - Fee Related
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| CN101013754A (en) | 2007-08-08 |
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